Chauvin Arnoux CA6423 Digital Earth Tester

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Digital earth tester offering 2-pole & 3-pole methods of testing with a range up to 2000Ω and 2-wire resistance measurement.

rrp £616.00

now £523.00 (Ex. VAT) £627.60 (Inc. VAT)

rrp £616.00

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"Perfect digital earth tester for use in the field."

  • Description

    C.A. 6423 Digital Earth Tester

    The C.A. 6423 Digital Earth Tester is a stand-alone and reliable earth tester with a measurement range up to 2000Ω. The CA 6423 offers both 2-pole and 3-pole methods of testing. The 6423 digital earth tester also has a removable captive connection strip between S and H terminals for 2-wire resistance measurements. This self-contained, leakproof and lightweight earth tester is perfectly suited to use in the field. Earth resistance is measured on a clear 2000-count digital LCD screen using traditional rod methods. The C.A. 6423 earth tester is ideal for accurately measuring the resistance of earths.

    CA6423 Digital Earth Tester Features:

    • 2-pole & 3-pole methods
    • Measurement range 0.01 to 2000Ω
    • Measurement frequency 128 Hz
    • Confirmation of the measurement by self-diagnosis
    • 3 fault presence indicators to validate measurement
    • Colour-coded terminals for connecting rods
    • Protection by HRC fuse
    • Leakproof on-site casing
    • Large galvanometer
  • Specification

    • Earth Testing Method: 2-pole & 3-pole
    • Measurement range: 0.01 to 2000Ω (3 automatic calibres)
    • Accuracy: ±(2% + 1 count)
    • No-load voltage: <48V
    • Frequency: 128 Hz
    • Alarms: 3 fault-indicator LEDs to validate measurement
    • Power supply: 8 x 1.5V batteries
    • Display: 2000-count digital LCD screen
    • Compliance: IEC 61010 & IEC 61557
    • Dimensions: 238 x 136 x 150mm
    • Weight: 1.3kg
  • Supplied Accessories

    • C.A. 6423 Digital Earth Tester
    • Carrying strap
    • 8 x 1.5V batteries
    • Operating manual (in 5 languages)
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  • Delivery Information

    At we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met. We aim to process all orders we receive within 1 to 3 working days, however from time to time we do have an increased demand for certain products or there might be delays from the manufacturer. In such cases delivery of your equipment may be subject to a minor delay.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

    Customers outside the UK: exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail with your name, address and the items you would like to order for an accurate shipping quote or go to for more information.

    For more information on delivery, please see our terms and conditions.